18665964

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1156

約数の個数: 60

約数和(自身を含む): 49762944

約数和(自身を除く): 31096980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1087, 1431, 1908, 2174, 2862, 3261, 4293, 4348, 5724, 6522, 8586, 9783, 13044, 17172, 19566, 29349, 39132, 57611, 58698, 88047, 115222, 117396, 172833, 176094, 230444, 345666, 352188, 518499, 691332, 1036998, 1555497, 2073996, 3110994, 4666491, 6221988, 9332982, 18665964]

約数ペア:

[(1, 18665964), (2, 9332982), (3, 6221988), (4, 4666491), (6, 3110994), (9, 2073996), (12, 1555497), (18, 1036998), (27, 691332), (36, 518499), (53, 352188), (54, 345666), (81, 230444), (106, 176094), (108, 172833), (159, 117396), (162, 115222), (212, 88047), (318, 58698), (324, 57611), (477, 39132), (636, 29349), (954, 19566), (1087, 17172), (1431, 13044), (1908, 9783), (2174, 8586), (2862, 6522), (3261, 5724), (4293, 4348)]